COLUMBIA, Md.--(BUSINESS WIRE)--Osiris Therapeutics, Inc. (NASDAQ: OSIR), the leading stem cell company developing and marketing products to treat medical conditions in inflammatory, cardiovascular, orthopedic and wound healing markets, announced today that the European Medicines Agency (EMA) has designated Osiris as the Orphan Drug title holder for Prochymal® (remestemcel-L). The EU Commission adopted the decision to transfer the designation of Prochymal (ex-vivo cultured adult human mesenchymal stem cells) as an orphan medicinal product under Regulation (EC) No 141/2000 of the European Parliament and of the Council. The Decision will appear in the EU Community Register of Orphan Medicinal Products.